Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (1) (-) Serum or Plasma (1) (-) Urine (1) Test Area (-) Therapeutics (2) Test Category Analgesics (5) Antiarrhythmics (2) Antidepressants (6) Antiepileptics/Antiseizures (2) (-) Antihypertensives (2) Antimicrobials (2) Antipsychotics (1) Sedative/Hypnotics (2) Test Sub-Category Diuretics (2) Test Test Name 2140SP Furosemide, Serum/Plasma 2140U Furosemide, Urine